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How is iron galvanised?

Hey,

I have been set homework by my science teacher to find out how iron is galvanised, but I'm having trouble finding information. I know about iron and sort of understand galvanisation, but I can't understand the two when they're put together. Please help, I need this as soon as possible!

Laura E
student in yr 9 at school - Eastbourne, East Sussex, England
2005

I think you might be exaggerating a tad when you say you sort of understand galvanization, Laura. The central step in galvanization is dipping the article (which is usually steel) into molten zinc -- rather like dipping something into melted chocolate. The zinc coating keeps the steel from rusting.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2005

Laura, also check out https://www.galvanizeit.org/, the home page of the American Galvanizers Association. They have a few videos and faq lists that should aid your understanding.

Good luck!

Lee Gearhart
metallurgist - E. Aurora, New York
2005

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